<template>
  <view>
    <view class="goods-list">
      <view v-for="(item,i) in goodslist" :key="i" @click="gotoDetail(item)">
       <my-goods :goods="item" v-if="item.goods_price !== 0" ></my-goods>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        //请求参数对象
        queryObj:{
          //查询关键字
          query: '',
          //商品分类id
          cid: '',
          //页码值
          pagenum: 1,
          //每页显示多少条数据
          pagesize: 10
        },
        //商品列表数据
        goodslist: [],
        total: 0,
        isLoading: false
      };
    },
    onLoad(options) {
      // console.log(options)
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      
      this.getGoodlist()
    },
    methods: {
      //获取商品列表数据的方法
    async  getGoodlist(cb){
      //打开节流阀
      this.isLoading = true
      //发起请求
        const {data: res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
         //关闭节流阀
        this.isLoading = false
         // 只要数据请求完毕，就立即按需调用 cb 回调函数
        cb && cb()
        if(res.meta.status !== 200) return uni.$showMsg()
        //为数据赋值
        this.goodslist = [...this.goodslist,...res.message.goods]
        this.total = res.message.total
      },
      gotoDetail(item){
        // console.log(item)
        uni.navigateTo({
          url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
        })
      }
    },
  onReachBottom() {
    //判断是否还有下一页数据
    if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
      // 判断是否正在请求其它数据，如果是，则不发起额外的请求
    if(this.isLoading)return
    //让页码值自增＋1
    this.queryObj.pagenum++
    //重新获取列表数据
    this.getGoodlist()
  },
  onPullDownRefresh() {
    //重置关键数据
    this.queryObj.pagenum = 1
    this.total = 0
    this.isLoading = false
    this.goodslist = []
    //重新发起数据请求
    this.getGoodlist(()=>uni.stopPullDownRefresh())
  }
  }
</script>

<style lang="scss">


</style>
